Home / 4,936.52-7,399.77-2,127.18

Finding the Fourth Proportional to 4,936.52, 7,399.77 and 2,127.18

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Solution

The fourth proportional to 4,936.52, 7,399.77 and 2,127.18 is: 3,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.52 : 7,399.77 = 2,127.18 : x
  2. Step 2: Convert to fraction form
    4,936.52/7,399.77 = 2,127.18/x
  3. Step 3: Cross multiply
    4,936.52x = 7,399.77 × 2,127.18
  4. Step 4: Simplify right side
    4,936.52x = 15,740,642.75
  5. Step 5: Solve for x
    x = 15,740,642.75/4,936.52
  6. Step 6: Final answer
    x = 3,188.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.